asp.net eval script in ajax html reponse

Question

i'm using update panel, my response have some javascript like bellow. After a success response, i need to eval it, load it (with external script)

ex: my html response

<script type="text/javascript" src="test.js"></script>
<script type="text/javascript">
alert('asd');
</script>
<div>test</div>
<div>blah blah blah</div>